reate a new variable Length of Stay beginning in cell J$3$ that calculates the number of days the guests stayed. Freate a new variable Discount beginning in cell K$3$ that is Yes if guests stayed seven days or longer and No oth Count the number of Yes and No responses found in part $b$ using the COUNTIF$()$ command. Type your answer Ise the VLOOKUP function to find the room and room type that customers $5,12,$ and $19$ stayed in$.$ Type your